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From "Timothy Bish (JIRA)" <jira+amq...@apache.org>
Subject [jira] [Commented] (AMQNET-323) NMS Client does not respect TimeToLive with Listener callback
Date Thu, 31 Mar 2011 15:56:06 GMT

    [ https://issues.apache.org/jira/browse/AMQNET-323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014039#comment-13014039
] 

Timothy Bish commented on AMQNET-323:
-------------------------------------

Producer send always set TTL, so no matter what you set in the Message before calling send
the value will not stick.  Sounds like we aren't properly clearing all the Message fields
in the send which though, probably worth a look as well.

> NMS Client does not respect TimeToLive with Listener callback
> -------------------------------------------------------------
>
>                 Key: AMQNET-323
>                 URL: https://issues.apache.org/jira/browse/AMQNET-323
>             Project: ActiveMQ .Net
>          Issue Type: Bug
>          Components: ActiveMQ, NMS
>    Affects Versions: 1.5.0
>         Environment: Windows 7
>            Reporter: Matthew Good
>            Assignee: Jim Gomes
>
> When TimeToLive expires while a listener is in a redeliver loop, the redelivery never
stops.  The following unit tests show this.  The first unit test uses Receive and it works
fine.  The second uses a listener and it fails.
> I added these tests to AMQRedeliveryPolicyTests
>         [Test]
>         public void TestNornalRedeliveryPolicyOnRollbackUntilTimeToLive()
>         {
>             using(Connection connection = (Connection) CreateConnection())
>             {
>                 IRedeliveryPolicy policy = connection.RedeliveryPolicy;
>                 policy.MaximumRedeliveries = -1;
>                 policy.InitialRedeliveryDelay = 500;
>                 policy.UseExponentialBackOff = false;
>                 connection.Start();
>                 ISession session = connection.CreateSession(AcknowledgementMode.Transactional);
>                 IDestination destination = session.CreateTemporaryQueue();
>                 IMessageProducer producer = session.CreateProducer(destination);
>                 IMessageConsumer consumer = session.CreateConsumer(destination);
>                 // Send the messages
>                 ITextMessage textMessage = session.CreateTextMessage("1st");
>                 textMessage.NMSTimeToLive = TimeSpan.FromMilliseconds(800.0);
>                 producer.Send(textMessage);
>                 session.Commit();
>                 ITextMessage m;
>                 m = (ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(1000));
>                 Assert.IsNotNull(m);
>                 Assert.AreEqual("1st", m.Text);
>                 session.Rollback();
>                 // No delay on first Rollback..
>                 m = (ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(100));
>                 Assert.IsNotNull(m);
>                 session.Rollback();
>                 // Show subsequent re-delivery delay is incrementing.
>                 m = (ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(100));
>                 Assert.IsNull(m);
>                 m = (ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(700));
>                 Assert.IsNotNull(m);
>                 Assert.AreEqual("1st", m.Text);
>                 session.Rollback();
>                 // The message gets redelivered after 500 ms every time since
>                 // we are not using exponential backoff.
>                 m = (ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(700));
>                 Assert.IsNull(m);
>             
>             }
>         }
>         [Test]
>         public void TestNornalRedeliveryPolicyOnRollbackUntilTimeToLiveCallback()
>         {
>             using(Connection connection = (Connection) CreateConnection())
>             {
>                 IRedeliveryPolicy policy = connection.RedeliveryPolicy;
>                 policy.MaximumRedeliveries = -1;
>                 policy.InitialRedeliveryDelay = 500;
>                 policy.UseExponentialBackOff = false;
>                 connection.Start();
>                 ISession session = connection.CreateSession(AcknowledgementMode.Transactional);
>                 IDestination destination = session.CreateTemporaryQueue();
>                 IMessageProducer producer = session.CreateProducer(destination);
>                 IMessageConsumer consumer = session.CreateConsumer(destination);
>                 CallbackClass cc = new CallbackClass(session);
>                 consumer.Listener += new MessageListener(cc.consumer_Listener);
>                 // Send the messages
>                 ITextMessage textMessage = session.CreateTextMessage("1st");
>                 textMessage.NMSTimeToLive = TimeSpan.FromMilliseconds(800.0);
>                 producer.Send(textMessage);
>                 session.Commit();
>                 // sends normal message, then immediate retry, then retry after 500 ms,
then expire.
>                 Thread.Sleep(2000);
>                 Assert.AreEqual(3, cc.numReceived);
>             
>             }
>         }
>         class CallbackClass
>         {
>             private ISession session;
>             public int numReceived = 0;
>             public CallbackClass(ISession session)
>             {
>                 this.session = session;
>             }
>             public void consumer_Listener(IMessage message)
>             {
>                 numReceived++;
>                 ITextMessage m = message as ITextMessage;
>                 Assert.IsNotNull(m);
>                 Assert.AreEqual("1st", m.Text);
>                 session.Rollback();
>             }
>         }

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